<!DOCTYPE html>
<html>
<head>
	<title>About</title>	
	<meta charset="utf-8"> 
	<link rel="stylesheet" href="https://cdn.static.runoob.com/libs/bootstrap/3.3.7/css/bootstrap.min.css">  
	<link href="./style.css" rel="stylesheet" type="text/css"/>
	<script src="https://cdn.static.runoob.com/libs/jquery/2.1.1/jquery.min.js"></script>
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</head>
<body>
	<div style="padding: 150px 250px 0px;text-align:center;" onclick="author()">
	<button type="button" class="btn btn-primary" onclick="display()" style="width:300px;">Version 0.41</button>
	<script src="./calculate.js"></script>
	</div>
</body>
</html>